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Зачем современные пассажирские самолёты сначала поднимаются на высоту 10 км, а потом снова спускаются вниз?
Ведь на это приходится тратить и дополнительное топливо и дополнительное время. А ещё надо учесть неудобства для пассажиров, которые всё это время вынуждены сидеть, пристёгнутые к креслам ремнями безопасности.
Зачем современные пассажирские самолёты сначала поднимаются на высоту 10 км, а потом снова спускаются вниз?
Ведь на это приходится тратить и дополнительное топливо и дополнительное время. А ещё надо учесть неудобства для пассажиров, которые всё это время вынуждены сидеть, пристёгнутые к креслам ремнями безопасности.
In a message on his Telegram channel recently recounting the episode, Durov wrote: "I lost my company and my home, but would do it again – without hesitation." At this point, however, Durov had already been working on Telegram with his brother, and further planned a mobile-first social network with an explicit focus on anti-censorship. Later in April, he told TechCrunch that he had left Russia and had “no plans to go back,” saying that the nation was currently “incompatible with internet business at the moment.” He added later that he was looking for a country that matched his libertarian ideals to base his next startup. Right now the digital security needs of Russians and Ukrainians are very different, and they lead to very different caveats about how to mitigate the risks associated with using Telegram. For Ukrainians in Ukraine, whose physical safety is at risk because they are in a war zone, digital security is probably not their highest priority. They may value access to news and communication with their loved ones over making sure that all of their communications are encrypted in such a manner that they are indecipherable to Telegram, its employees, or governments with court orders. In addition, Telegram's architecture limits the ability to slow the spread of false information: the lack of a central public feed, and the fact that comments are easily disabled in channels, reduce the space for public pushback. Andrey, a Russian entrepreneur living in Brazil who, fearing retaliation, asked that NPR not use his last name, said Telegram has become one of the few places Russians can access independent news about the war.
from nl
